Was DYP wrote:
…But CS5 does not have this problem. This problem is very reminiscent of the color display issue in Acrobat…Color issues in Mountain Lion with Acrobat Pro
…Something that works fine in CS5 on same machine but is a annoyance with CS6.
All three sentences above point to a GPU or graphic card driver problem. CS6 uses the GPU to a far greater extent than all previous versions.
Does disabling (unchecking) the "Use Graphics Processor" in Photoshop Preferences > Performance box bring any relief at all?
EDIT: deleted a senior-moment speculative reference quickly dispelled by the thread title itself. 
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Message was edited by: station_two